Electromagnetic Efficiency and Mass of Magnetic Gears for Electrified Aircraft

Tallerico, Thomas ; Scheidler, Justin ; Cameron, Zachary

关键词: GEARS;    MAGNETS;    ELECTROMAGNETISM;    ELECTRIFIED AIRCRAFT PROPULSION;    ELECTROMAGNETIC MEASUREMENT;    OPTIMIZATION;    DESIGN ANALYSIS;    TRADEOFFS;    EFFICIENCY;    TREND ANALYSIS;   

RP-ID  :  GRC-E-DAA-TN72224

学科分类：航空航天科学

美国|英语

来源: NASA Technical Reports Server

【 摘 要 】

Magnetic gears are currently being explored to replace mechanical gears in various industries such as wind and automotive due to their higher reliability and lower maintenance requirements. In these applications volume minimization has been the goal of magnetic gear development. In contrast, the primary performance metrics for electrified aircraft drives are mass and efficiency. This paper presents the first ever study of design tradeoffs between electromagnetic mass and efficiency of concentric magnetic gears and the feasibility of achieving the low mass and high efficiency required for electrified aircraft applications. Higher level design variables are considered, including gear ratio, number of magnetic pole pairs, and number of magnets per pole pair.